ACL Race Series are trimetal engine bearings designed to withstand higher RPM conditions. Their combination of design, metallurgy and engineering provides a solution for engines operating under increased loads.
This set contains ACL Race Series rod bearings. The construction features improved bearing retention in the housing, increased eccentricity for high-RPM operation and consistent wall tolerances for maintaining consistent clearances.
- High-strength overlay plate with reduced thickness for improved fatigue properties
- Hardened steel backs for improved support of the bearing lining and bearing retention in the housing
- Increased crush for improved bearing retention
- Elimination of flash plating on the back for improved heat transfer and grip between the bearing and its housing
- Increased eccentricity to compensate for bore distortion at high RPM and assist in forming hydrodynamic oil films
- Tight, consistent wall tolerances to help maintain consistent clearances
Suitable for: Nissan Patrol II (Y60).
Engines: VG30E, VG30ET, VG30DETT, VG30DE, VG30DET, RB30ET, VE30DE, VG33E, VG30I, RB30S, RB30E. Please check your vehicle’s engine code (registration document or VIN) before ordering; if in doubt, contact us and we will check for you.
Sizes
STD is the standard size for an unground crankshaft. Undersizes (−0.25 mm, −0.50 mm …) are for a reground crank, and “+0.025 mm clearance” (X) is for highly stressed engines. Your machine shop chooses the size after measuring.

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